<template>
	<view>
		<view class="smart-panel-head">
			<view class="smart-panel-head-title">textview文本组件</view>
		</view>
		<view class="smart-padding-wrap">
			<text space="ensp" class="text-space">A&nbsp;&emsp;B  C \n</text>
			<text space="emsp" class="text-space">A&nbsp;&emsp;B  C \n</text>
			<text space="nbsp" class="text-space">A&nbsp;&emsp;B  C \n</text>
			<view class="text-box">
				<text selectable="true">{{text}}</text>
			</view>
			<button type="primary" :disabled="!canAdd" @click="add">Add Line
			</button>
			<button type="warn" :disabled="!canRemove" @click="remove">Remove Line
			</button>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				texts:[
					'HBuilder, 500万开发者选择的IDE',
					"HBuilderX,轻巧、极速、极客编辑器 ",
					'uni-app,终极跨平台方案',
					'HBuilder, 500万开发者选择的IDE',
					"HBuilderX,轻巧、极速、极客编辑器 ",
					'uni-app,终极跨平台方案',
					'HBuilder, 500万开发者选择的IDE',
					"HBuilderX,轻巧、极速、极客编辑器 ",
					'uni-app,终极跨平台方案',
					'……'
				],
				text:'',
				canAdd:true,
				canRemove:false,
				extraLine:[]
				
			};
		},
		methods: {
			add:function(e){
				this.extraLine.push(this.texts[this.extraLine.length %12]);
				this.text=this.extraLine.join('\n');
				this.canAdd=this.extraLine.length<12;
				this.canRemove=this.extraLine.length>0;
			},
			remove:function(e){
				if(this.extraLine.length>0){
					this.extraLine.pop();
					this.text=this.extraLine.join('\n');
					this.canAdd=this.extraLine.length<12;
					this.canRemove=this.extraLine.length>0;
				}
			}
			
		}
	}
</script>

<style>

</style>
